Expression 2: "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "x" , right parenthesis , right parenthesis , right parenthesis , right parenthesis equals "k"ffffx=k
2
Expression 3: "k" equals 1k=1
00
22
3
see that there are exactly 8 lines(8 distinct solutions) for n=4 as one modulus function is providing us with two solutions so 4 functions will give 8 distinct solutions over the range.